<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div id="app">
<!--  <label for="clause">-->
<!--    <input type="checkbox" id="clause" v-model="clause"> 同意协议-->
<!--  </label>-->
<!--  <h2>{{clause}}</h2>-->
<!--  <button :disabled="!clause">下一步</button>-->

  <input type="checkbox" value="篮球" v-model="hobbies">篮球
  <input type="checkbox" value="足球" v-model="hobbies"> 足球
  <input type="checkbox" value="乒乓球" v-model="hobbies">乒乓球
  <input type="checkbox" value="羽毛球" v-model="hobbies">羽毛球

  <h2>{{hobbies}}</h2>
</div>

<script src="./js/vue.js"></script>

<script>
  const app = new Vue({
    el:'#app',
    data:{
      message:'Hello World',
      clause:false,
      hobbies:[]
    }
  });
</script>
</body>
</html>